Efficient imaging approach for spaceborne sliding spotlight synthetic aperture radar with a small squint angle

P Zhou, Y Chen, W Sun, Y Wan… - Journal of Applied …, 2015 - spiedigitallibrary.org
Several existing algorithms for squinted sliding spotlight synthetic aperture radar (SAR)
suffer from low efficiency, despite their good focusing abilities. Their low speeds are …

A refined two-step algorithm for high resolution spaceborne SAR with squinted sliding spotlight mode

H Kuang, J Chen, W Yang - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
Spaceborne squinted sliding spotlight synthetic aperture radar (SAR) can achieve high-
resolution image with well flexibility. However, traditional imaging algorithm cannot focus its …

Multichannel spaceborne SAR squinted sliding spotlight imaging with nonlinear chirp scaling

S Xiao, P Zheng, X Wang, H Kuang… - IET International Radar …, 2023 - ieeexplore.ieee.org
The multichannel Synthetic Aperture Radar (SAR) squinted sliding spotlight data is difficult
to process due to the extended Doppler spectrum and the spatial varied range cell …

An Improved Imaging Algorithm for High Resolution Spaceborne Squinted Sliding Spotlight SAR

H Kuang, Z Wang, Z Lu, Y Zhu, Y Liu… - 2019 6th Asia-Pacific …, 2019 - ieeexplore.ieee.org
An improved imaging algorithm is proposed for processing high resolution spaceborne
squinted sliding spotlight SAR data in this paper, which includes four steps, namely, azimuth …

A novel imaging algorithm for focusing high-resolution spaceborne SAR data in squinted sliding-spotlight mode

J Chen, H Kuang, W Yang, W Liu… - IEEE Geoscience and …, 2016 - ieeexplore.ieee.org
To process squinted sliding-spotlight synthetic aperture radar data, the azimuth
preprocessing step based on the linear range walk correction (LRWC) and derotation …

Full-aperture focusing of very high resolution spaceborne-squinted sliding spotlight SAR data

GC Sun, Y Wu, J Yang, M Xing… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In very high resolution spaceborne-squinted sliding spotlight synthetic aperture radar, the
traditional imaging algorithms based on the equivalent squint range model (ESRM) cannot …

[HTML][HTML] Generalized chirp scaling combined with baseband azimuth scaling algorithm for large bandwidth sliding spotlight SAR imaging

T Yi, Z He, F He, Z Dong, M Wu - Sensors, 2017 - mdpi.com
This paper presents an efficient and precise imaging algorithm for the large bandwidth
sliding spotlight synthetic aperture radar (SAR). The existing sub-aperture processing …

Applying chirp-modulated back-projection to very high resolution spaceborne sliding spotlight SAR data processing

M Dadi, D Chibiao, H Donghui… - 2017 IEEE International …, 2017 - ieeexplore.ieee.org
This paper proposed a new approach to focus the very high resolution spaceborne sliding
spotlight synthetic aperture radar (SAR) data. The main singularity of the approach is …

Investigation of multichannel sliding spotlight SAR for ultrahigh-resolution and wide-swath imaging

Q Chen, Y Deng, R Wang, Y Liu - IEEE Geoscience and …, 2013 - ieeexplore.ieee.org
This letter introduces the innovative multichannel sliding spotlight synthetic aperture radar
(SAR) system for the acquisition of ultrahigh resolution radar images with wide swath …

[HTML][HTML] A novel spaceborne sliding spotlight range sweep synthetic aperture radar: System and imaging

Y Wang, J Li, J Yang, B Sun - Remote Sensing, 2017 - mdpi.com
In this paper, a new Spaceborne Sliding Spotlight Range Sweep Synthetic Aperture Radar
(SSS-RSSAR) is proposed to generate a high-resolution image of a Region of Interest (ROI) …